Malicious Code Vulnerability in Sturdyfetch21 Package

sturdyfetch21 Updated 24 Dec 2025

Summary

23/12/2025
CRITICAL
No i
Critical
Not published

MAL-2025-192870: Malicious code in sturdyfetch21 (npm). Affects sturdyfetch21 versions 0.30.1. No fix is published. How to fix ↓

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Background

Sturdyfetch21 is an npm package designed for fetching resources in a robust manner. It provides functionalities that enhance the reliability of data retrieval in JavaScript applications. However, it has been identified to contain malicious code, which poses significant security risks to users and their applications.

Vulnerability Detail

The vulnerability in the Sturdyfetch21 package stems from the inclusion of malicious code that can compromise the integrity of applications utilizing this package. This code can lead to unauthorized access, data breaches, or other malicious activities. The issue was reported by ReversingLabs, indicating that the affected version is 0.30.1. Users of this package should be aware of the potential ramifications, including data loss and security breaches.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall sturdyfetch21

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As a temporary measure, users can remove the Sturdyfetch21 package from their project until a secure version is released. This can be done using the command: 'npm uninstall sturdyfetch21'.

Conclusion

The Sturdyfetch21 package has been identified to contain malicious code, posing significant risks to users. It is essential to update the package to a secure version or remove it from your project until a fix is available. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.

See every vulnerability recorded for sturdyfetch21 →

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FAQ

Sturdyfetch21 is an npm package that provides enhanced functionalities for fetching resources in JavaScript applications.

The malicious code can lead to unauthorized access and potential data breaches, compromising the security of applications that use this package.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.

As a workaround, consider uninstalling the Sturdyfetch21 package until a secure version is available.

The vulnerability was reported by ReversingLabs, a security research firm specializing in malware analysis.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall sturdyfetch21

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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